Specifications: Product Series: Ecoline Accessories Specification: 7.5 x 69 x 109 mm Product text, accessories, grey: Pack of 1 pc. Rod. Packaging: Combined cardboard and plastic packaging, Tight Pack, with Euro opening Inv. Packaging: 1 pc. Diameter (D) mm: 7.50 Working length (L1) mm: 69 Overall length (L2) mm: 109 Processing materials (details): - Steel/Ferrous Metal - Stainless steel/Inox - Alloy/unalloyed steel - Grey cast iron - Hardened plastic HSS Cobalt twist drill bit has a long service life when drilling stainless steel Two cutting edges and two grooves allow for fast chip evacuation and extend drill life Compliant with DIN 338. N-type drill bit (tip angle), with 135 degree tip and h8 diameter tolerance Active cutting and excellent centering without the drill bit slipping on the surface thanks to the cross-ground tip The HSS Cobalt twist drill bit is manufactured in accordance with DIN 338. N-type drill bit (tip angle) with 135 degree tip and h8 diameter tolerance. Active cutting and excellent centering without the drill bit slipping on the surface thanks to the cross-ground tip. Drill designed for drilling alloy and unalloyed steel, stainless steel, cast iron, cast steel and steels resistant to acid and high temperatures. It is equipped with a cylindrical chuck (shank equal to the diameter of the drill bit) and is designed for use with stationary drills and screwdrivers. **